public void ModeTest1()
{
double[] values = { 3, 3, 1, 4 };
double expected = 3;
double actual = Tools.Mode(values);
Assert.AreEqual(expected, actual);
}
public void ModeTest4()
{
int[] values = { 2, 5, 1, 6, 4, 1, 2, 6, 2, 6, 8, 2, 6, 2, 2 };
int expected = 2;
int actual = Tools.Mode(values);
Assert.AreEqual(expected, actual);
}
public void ModeTest3()
{
double[] values = { 0, 1, 2, 2 };
double expected = 2;
double actual = Tools.Mode(values);
Assert.AreEqual(expected, actual);
}
public void ModeTest()
{
double[,] matrix =
{
{ 3, 3, 1, 4 },
{ 0, 1, 1, 1 },
{ 0, 1, 2, 4 },
};
double[] expected = { 0, 1, 1, 4 };
double[] actual = Tools.Mode(matrix);
Assert.IsTrue(expected.IsEqual(actual));
}
public void MatrixModeTest3()
{
double[][] matrix =
{
new double[] { 6, 4, 9 },
new double[] { 3, 1, 3 },
new double[] { 1, 3, 8 },
new double[] { 1, 5, 4 },
new double[] { 7, 4, 1 },
new double[] { 4, 4, 3 },
};
double[] expected = { 1, 4, 3 };
double[] actual = Tools.Mode(matrix);
Assert.AreEqual(expected[0], actual[0]);
Assert.AreEqual(expected[1], actual[1]);
Assert.AreEqual(expected[2], actual[2]);
}
public void ModeTest_Comparable()
{
int a = 1;
int b = 10;
int c = 100;
int[] values;
int actual;
values = new[] { a, a, b, c };
actual = Tools.Mode(values);
Assert.AreEqual(a, actual);
values = new[] { a, b, b, c };
actual = Tools.Mode(values);
Assert.AreEqual(b, actual);
values = new[] { a, b, c, c };
actual = Tools.Mode(values);
Assert.AreEqual(c, actual);
int count;
values = new[] { a, b, c, a };
actual = Tools.Mode(values, out count);
Assert.AreEqual(a, actual);
Assert.AreEqual(2, count);
values = new[] { b, a, b, b, c };
actual = Tools.Mode(values, out count);
Assert.AreEqual(b, actual);
Assert.AreEqual(3, count);
values = new[] { c, c, a, b, c, c };
actual = Tools.Mode(values, out count);
Assert.AreEqual(c, actual);
Assert.AreEqual(4, count);
}
public void ModeTest_NonComparable()
{
object a = new object();
object b = new object();
object c = new object();
object[] values;
object actual;
values = new[] { a, a, b, c };
actual = Tools.Mode(values);
Assert.AreEqual(a, actual);
values = new[] { a, b, b, c };
actual = Tools.Mode(values);
Assert.AreEqual(b, actual);
values = new[] { a, b, c, c };
actual = Tools.Mode(values);
Assert.AreEqual(c, actual);
int count;
values = new[] { a, b, c, a };
actual = Tools.Mode(values, out count);
Assert.AreEqual(a, actual);
Assert.AreEqual(2, count);
values = new[] { b, a, b, b, c };
actual = Tools.Mode(values, out count);
Assert.AreEqual(b, actual);
Assert.AreEqual(3, count);
values = new[] { c, c, a, b, c, c };
actual = Tools.Mode(values, out count);
Assert.AreEqual(c, actual);
Assert.AreEqual(4, count);
}
